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Finding the Fourth Proportional to 277,156.08, 415,734.12 and 66,794.22

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Solution

The fourth proportional to 277,156.08, 415,734.12 and 66,794.22 is: 100,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,156.08 : 415,734.12 = 66,794.22 : x
  2. Step 2: Convert to fraction form
    277,156.08/415,734.12 = 66,794.22/x
  3. Step 3: Cross multiply
    277,156.08x = 415,734.12 × 66,794.22
  4. Step 4: Simplify right side
    277,156.08x = 27,768,636,272.79
  5. Step 5: Solve for x
    x = 27,768,636,272.79/277,156.08
  6. Step 6: Final answer
    x = 100,191.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.